[Beowulf] SuperMicro X7DWT-INF board - what connector? what cable?

Don Holmgren djholm at fnal.gov
Wed Aug 29 07:56:14 PDT 2012


Yes, that's right, CX4 to CX4.

Don


On Wed, 29 Aug 2012, Duke Nguyen wrote:

> Hi Don,
>
> On 8/29/12 6:49 PM, Donald J Holmgren wrote:
>> We use the AMD version of this motherboard ("TwinU").  The landed Mellanox 
>> MT25204 HCA has a 4x microGiGaCN connector at the back of motherboard. 
>> These are also often called CX4 connectors.
>
> Excellent! Thanks so much for this info.
>
>> 
>> Depending upon the switch you will connect the systems to, you need either 
>> microGiGaCN to microGiGaCN cables, or microGiGaCN to QSFP cables. 
>> Colfaxdirect.com lists many of each type.
>
> The switch we are considering is QLogic SilverStorm 9024 (9024-FC24-ST1-DDR). 
> So I suppose we need microGiGaCN to microGiGaCN (CX4 to CX4) cable?
>
> Thanks,
>
> D.
>
>> 
>> Supermicro.com has detailed specs and the manual for this motherboard.
>> 
>> Don
>> 
>> 
>> 
>> On Aug 29, 2012, at 5:05 AM, "Duke Nguyen" <duke.lists at gmx.com> wrote:
>> 
>>> Hi folks,
>>> 
>>> We plan to build a cluster using server built with SuperMicro X7DWT-INF
>>> motherboards. Unfortunately google does not give us much information
>>> about the type of connector that X7DWT-INF has.
>>> 
>>> Anybody using this motherboard in their cluster? Please give us advice
>>> about which connector the board has and what infiniband cable we should
>>> acquire to fit in the rack-mount servers built with these boards.
>>> 
>>> Thanks,
>>> 
>>> D.
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>
>



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